Excavating-machine.



Q0.v HBTLBSABBR; EXUAVATING MACHINE.

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f l Y o. HBTLBSAETBR. -BXGAVATING MACHINE. .Y j APPLIeATIoN'PILBD rn.4,19o'1. v 899,597',v Patented Sept. 29, 1908.

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UNITED sTATEs OLAF HETLESAETER, OF MILWAUKEE, WISCONSIN, ASSIGNOR TO'ALLIS-CHALMERS COMPANY, OF MILWAUKEE,A WISCONSI N, A CORPORATION OF NEW JERSEY.

EXGAVATING-MACHIN E Specification of Letters Patent.

V Patented sept. 29, i908.

i Application filed February 4, 1907. Serial N o. 355,607.

To all whom it may concern.'

Be it known that I, OLAF HETLESAETER, a citizen of the United States, residing at Milwaukee, in the countyV of Milwaukee and State of Wisconsin, have invented a certain new and useful Excavating-Machine, of which the following is a specification.

This invention relates to excavating machines in which a carrier provided with excavating apparatus is also provided with a steadying member or members totake the strains im osed upon the a paratus while at work, and) it relates specifically to specific forms of spuds and meansfor operating them, which, as far as the broad features of this invention are concerned, are capable of use either with a floating carrier or scow, or with a land vehicle, as with a railroad car or common cart.

In the drawings which accompany this specification and form a part thereof and on which the same reference characters indicate the same elements in each of the several views of the drawings, and which drawings illustrate this invention as applied to a dredge, a scow or pontoon being illustrated as the aarden-Figure 1 represents a vertical elevation of the dipper end of the dredge ,2

Fig. 2 represents a plan view of the same end of the dred e; and Fig. 3 represents an elevation of t view being the dredge.

The reference character 1 designates a scow or pontoon which is adapted to carry the excavating machinery, and 1n Figs. 1 and 3 the scow is shown as floating in a body of water 2, adjacent a bank 3, u on which bank it is proposed tol deposit t e material removed by the dipper 4` from the bottom of the cut i It is customary with excavating machinery of the general nature disclosed by the drawings forming a part of this specification to use spuds or their equivalent' for taking the strains from the carrying member and 'also for rigidly supporting said carrying member.

his invention is designedI to rovide spuds which are adapted to be.use under varying conditions of work and to provide such spuds with means for readily, positively and cheaply operating them.

Referring to the drawings, the numeral 6 represents the A-frame which may be of any ordinary or preferred construction and which is secured to the scow in any preferable mantaken from a point at one side of e same end of the dredge, the

ner, as by the rockers 7, being supported in position by the back stay 8 and supporting y the flexible member 9 the boom 10, which boom is in turn supported by the turntable 11, which arrangement of parts may be of any preferred construction or type. In the apparatus as shown, the A-frame 6 1s over the center of rotation of the turntable 11, and on the u per end of the A-frame is carried a rotatable pulley 12, around which is carried the flexible member 9, which is then secured to the boom by the links 13 and l 14. By this arrangement the boom is free to be swung by the turntable either towards the right or the left hand side of the scow without any tendency to tip the boom and cause the parts to bind while they are operating.

The numeral 15 designates in general the winding drums of any ordinary or preferred type of hoisting engine, the engine itself, boller and accessories -not being shown.

Carried by and supported from the boom 10 is theV bucket 4 carried by the arm 16, which bucket is manipulated by the customary hoisting rope or chain 17 and the back.

chain 18, both the hoisting rope and back chain being led to the hoisting drums of the engine to which are also led the rope or chain 19 by which the turntable is operated, allof these parts being of any ordinary or preferred construction.

Located preferably above the turntable and beneath the overhang of the A-frame and securely fastened to the body of the scow, is the gantry or gallows frame which is composed of uprights 191 and 20 across the tops of which is the cross beam 21, which preferably is arranged to extend outwardly some distance beyond each side of the scow, and the overhanging ends of which may be braced by the braces 22.

Secured adjacent the uprights of the gal,

lows frame is a member 23 provided with apertured projections by means of which the spuds 24 may be movably connected with said member by the bolts 25. This member 23 preferably takes the form of a steel or iron strap bent to fit the cross section outline of the scow, as clearly shown by Fig. 1 of the drawings, and after being placed upon the scow, the free ends of said member are connected by the tie bolts 26 which extend across the scow, this specific construction being designed to relieve the body of the scow from any unnecessary strains. The overprojected forward so that its upper end is the spud is a pulley 33.

hanging ends of the ,cross beam 21 are provided with blocks 27 which may be composed of a plurality of pulleys, a single pulley being shown by the illustrations to avoid obscuring the details of the drawing.

The spuds proper' which have been designated as a whole by the numeral 24, are preferably triangular in form, being composed of the members 28, 29 and 30, rigidly secured together and movably secured to the scow by the bolt 25, one apex of the triangle ofthe spud being provided with a foot or sole piece 31 pivotally secured to the spud memers by the bolt 32. The triangular construction gives great rigidity to the spud. The angle between the members 29, 30, prevents coincidence of the operating cable and either of these parts and consequent locking eect due to dead center.

Secured to the lower and outboard end of Rigidly secured to the cross beam 21 is the standing end of a rope or flexible member 34 which passes downwardly around pulley 33, upwardly around pulley 27, inwardly around the fair leader or pulley 35, around the winch 36 of the winding engine with several turns on said winch, back around the fair leader or pulley 37, around the pulley 38 and to pulley 39, which latter pulley is secured to the upper apeX of the triangle formed by the spud members, and is then secured Ylirmly to the lcross beam 21 at 210. The operation of this part of the apparatus is as follows: If it is desired to lower the spud shown at the left hand of Fig. l so that the shoe will rest on the bottom of a canal or excavation, the winding engine is started and the winch 36 is turned to pay out on the runningpart of the rope 34 which passes around the pulley 33. At the same time that the rope is being paid out which passes around the pulley 33, the other end of the rope is being gathered in upon the winch 36, and when the shoe 31 takes upon the bottom of the excavation it is the pull upon this other end of the rope which passes around the pulley 39 which gives the lifting power, or, in other words, the bearing down power on the spud. lf it now becomes necessary to raise the same spud either to take it inboard for transportation, or to rest 1against a bank, as shown by the spud at the right hand side of said Fig. 1, the hoisting engine is started but it is reversed as to its direction of rotation so that now the rope 34 which passes around the pulley 33 is drawn in and aroimd the winch, while the other end is slacked away.

The numeral 40 designates the tie ropes or braces which are secured by universal joints both to the spuds and the sides of the scow to prevent movement of' the scow with rcspectto the spuds. The spud on the opposite side of the dredge is operated in a similar manner.

What I claim is,-

l. The combination with a carrier for excavating machinery or the like, of a bolt secured thereto, a spud pivotally mounted on said bolt and composed of members disposed atan angle with respect to each other, pulleys located in the angular space between said members, and iiexible means secured to said members and passed over said pulleys for operating said spud.

2. The combination with a carrier for excavating machinery or the like, of a bolt secured thereto, a spud pivotally .mounted on said bolt and composed of members disposed at an angle with respect to each other, pulleys located in the angular space between said members, a winch, and a Ilexible operating device secured to one of said members, passed over one of said pulleys, around said winch, over another of said pulleys and then secured to another of said spud members.

3. The combination with a carrier for eX- cavating machinery or the like, of two bolts secured thereto, spuds pivotally mounted on said bolts, one spud on each bolt, each of said spuds being composed of mem'bers disposed at an angle with respect to each other, pulleys located in the angular space between the members composing said spuds, two winches, and two ilexible operating devices, each of said devices being secured to one member o1" its respective spud, passed over a pulley, around a winch, over another pulley and then secured to a-nother of its spud members.

4. The combination with a scow, ol a metal strap bent to tit the cross section out line of the scow, a tie-bolt to secure said strap to said scow, and a spud secured to said strap.

5. The combination with a carrier for excavating machinery or the like, of a spud pivotally secured thereto, said spud being coniposed of arms disposed at an angle with re spect to each other, flexible .means secured to one of said arms for raising said spud, and ileXiblc means secured to the other ol said arms for forcing said spud down.

In testimony whereof, l allix my signature in the presence of two witnesses.

Witnesses R. F. DowNnY, H. C. CASE. 

